<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let list=[
            {age:24},
            {age:12},
            {age:124},
            {age:242},
            {age:224},
            {age:524},
            {age:4}
        ]
        let min=list.reduce((s,b,i)=>{
            console.warn(s,b,i)
            return  s+b.age
        },0)
        console.warn(min);
    </script>
</body>
</html>